doughnut effect n.— «Asters are easily propagated by division in the early spring. Simply dig the clump up once the shoots appear in early May, and gently pull the crown apart. When they require dividing, you will notice new growth around...
fine n.— «The production of rock flour is another venture under the auspices of Minerals for Agriculture. When companies mine basic rock for aggregates, the fines from this process, called rock flour, can be used to remineralise the soil...
rock flour n.— «The production of rock flour is another venture under the auspices of Minerals for Agriculture. When companies mine basic rock for aggregates, the fines from this process, called rock flour, can be used to remineralise the...